Is there a way to Force 24 fps on Animation Playback?
I can see the problem here. It is probably because your hardware isn't able to handle it. I am sorry to say that. Maybe try restarting your computer, or try clearing any junk files, anything to increase the speed of your computer. If you could share your computer specs, it would be easier, or there is one more solution, try removing 1 simulation. This might boost your computer. It would be easier if you could share a video of the simulation in the viewport mode along with your hardware specs.
Cheers,
Aster17